Blower Door, Duct Leakage & Energy Code Testing

A blower door test measures how airtight a home’s building envelope is. A fan mounted in an exterior doorway changes the pressure in the house so that air leakage can be measured and the leaks can be located.

For homeowners, it shows where heated and cooled air is escaping. For builders, it verifies envelope air tightness for the tests required by code.

Duct leakage testing (Duct Blaster) measures how much air escapes from HVAC ductwork. We can test total leakage or leakage to outdoors, which significantly increases your odds of passing for code.

More detail on our duct leakage testing page.

We are a Certified Third Party Inspector for Residential Energy Code, working with builders and contractors in Maine and New Hampshire on new homes and additions. We offer testing and consultation to help you meet requirements such as the 2009 or later International Energy Conservation Code (IECC).

By involving us early in planning and construction we can help ensure the systems will pass the tests required by code. See all of our services for contractors.

For existing homes, testing is part of a complete energy audit. Our energy audits follow BPI Standards and can include blower door testing, duct leakage testing, infrared camera inspections and combustion safety testing. After we have inspected and tested the home we produce a written report complete with costs, estimated savings and prioritized improvements.

Learn more about home energy audits.

Our Building Performance Institute (BPI) certifications include Energy Auditor, Envelope Professional, Multifamily Energy Auditor, Air Leakage Control Installer and Manufactured Homes. See the full list on our About us / Certifications page.